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Data Calendar for Marshalltown (US 30)

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Chicago timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

Apr 2026May 2026 Jun 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
262728293001
High: 59.7
Low: 38.1
Precip: 0.00
Avg Wind: NNW @ 4.4
Gust: 21 (3:05 PM)
RH% Min/Max: 34-94
Feel Min/Max: 36 to 60		02
High: 63.5
Low: 31.3
Precip: 0.00
Avg Wind: W @ 4.4
Gust: 20 (5:20 PM)
RH% Min/Max: 23-90
Feel Min/Max: 29 to 64
03
High: 78.1
Low: 49.3
Precip: 0.00
Avg Wind: WSW @ 9.0
Gust: 31 (2:00 PM)
RH% Min/Max: 18-50
Feel Min/Max: 47 to 78		04
High: 81.9
Low: 49.5
Precip: 0.00
Avg Wind: W @ 10.5
Gust: 36 (1:50 PM)
RH% Min/Max: 23-58
Feel Min/Max: 47 to 80		05
High: 62.4
Low: 41.4
Precip: 0.00
Avg Wind: NW @ 6.7
Gust: 28 (1:55 PM)
RH% Min/Max: 30-63
Feel Min/Max: 39 to 62		06
High: 59.2
Low: 36
Precip: 0.00
Avg Wind: NW @ 6.2
Gust: 26 (2:30 PM)
RH% Min/Max: 32-74
Feel Min/Max: 33 to 59		07
High: 68.2
Low: 36
Precip: 0.00
Avg Wind: SW @ 5.9
Gust: 26 (9:30 AM)
RH% Min/Max: 32-74
Feel Min/Max: 33 to 68		08
High: 76.6
Low: 41.9
Precip: 0.00
Avg Wind: SW @ 5.5
Gust: 27 (8:50 PM)
RH% Min/Max: 22-62
Feel Min/Max: 39 to 77		09
High: 72.7
Low: 46.4
Precip: 0.00
Avg Wind: WNW @ 7.6
Gust: 26 (3:50 PM)
RH% Min/Max: 29-80
Feel Min/Max: 45 to 73
10
High: 73.8
Low: 39.4
Precip: 0.00
Avg Wind: NW @ 6.3
Gust: 27 (5:10 PM)
RH% Min/Max: 23-60
Feel Min/Max: 36 to 74		11
High: 77.4
Low: 37.8
Precip: 0.00
Avg Wind: E @ 4.8
Gust: 19 (11:00 PM)
RH% Min/Max: 23-79
Feel Min/Max: 38 to 77		12
High: 80.6
Low: 53.2
Precip: 0.00
Avg Wind: W @ 10.2
Gust: 34 (5:25 PM)
RH% Min/Max: 24-70
Feel Min/Max: 53 to 79		13
High: 76.1
Low: 48
Precip: 0.00
Avg Wind: NNW @ 8.0
Gust: 30 (3:40 PM)
RH% Min/Max: 29-68
Feel Min/Max: 45 to 76		14
High: 79.9
Low: 50.2
Precip: 0.00
Avg Wind: SSE @ 11.5
Gust: 30 (2:40 PM)
RH% Min/Max: 30-61
Feel Min/Max: 50 to 80		15
High: 89.1
Low: 57.7
Precip: 0.00
Avg Wind: SSE @ 9.9
Gust: 26 (7:20 PM)
RH% Min/Max: 40-68
Feel Min/Max: 58 to 90		16
High: 84.4
Low: 57.9
Precip: 0.00
Avg Wind: ESE @ 5.4
Gust: 22 (12:25 AM)
RH% Min/Max: 43-98
Feel Min/Max: 58 to 84
17
High: 82.2
Low: 61.9
Precip: 0.00
Avg Wind: SE @ 7.6
Gust: 35 (11:40 PM)
RH% Min/Max: 61-98
Feel Min/Max: 62 to 85		18
High: 77.7
Low: 61.3
Precip: 0.00
Avg Wind: SSE @ 6.6
Gust: 38 (8:50 PM)
RH% Min/Max: 56-99
Feel Min/Max: 61 to 78		19
High: 66
Low: 45.1
Precip: 0.10
Avg Wind: NW @ 8.5
Gust: 30 (12:05 PM)
RH% Min/Max: 63-98
Feel Min/Max: 45 to 66		20
High: 62.8
Low: 40.3
Precip: 0.00
Avg Wind: N @ 6.0
Gust: 19 (2:10 PM)
RH% Min/Max: 39-97
Feel Min/Max: 38 to 63		21
High: 57.4
Low: 50.2
Precip: 0.00
Gust: 21 (4:10 AM)
RH% Min/Max: 55-76
Feel Min/Max: 50 to 57		22

Precip: M		23
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31010203040506

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.